Here you can find the source of getStandardDeviation(double meanValue, List
public static double getStandardDeviation(double meanValue, List<Double> values)
//package com.java2s; /*/*from w ww. java2s.c om*/ * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * Copyright (C) 2015 George Antony Papadakis (gpapadis@yahoo.gr) */ import java.util.List; public class Main { public static double getStandardDeviation(double meanValue, List<Double> values) { if (values.isEmpty()) { return -1.0; } double sum = 0.0; for (Double value : values) { sum += Math.pow(meanValue - value, 2.0); } return Math.sqrt(sum / (values.size() - 1)); } }